The newly developed iterative method based on Green function defined by quadratures along a single trajectory is combined with the variational method to solve t
Using the technique of integration within an ordered product of nonlinear Bose operators and by composing the nonlinear coherent state's over-completeness r
Binding energiesfor an exciton (X ) trapped in the two-dimensional quantum dot by a negative ion located on the z axis at a distance from the dot plane are calc